Umbrella bracket



FIG. 1 is a perspective view of the umbrella bracket of the claimed invention;

FIG. 2 is a side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a sectional side view thereof taken along line 4-4 in FIG. 3;

FIG. 5 is an end view thereof; and,

FIG. 6 is a rear view thereof.

The broken lines in FIG. 6 depict portions of the umbrella bracket that form no part of the claimed design. 

CLAIM The ornamental design for an umbrella bracket, as shown and described. 